Went round last night Lee.
Basically the last lad had spent 15 minutes under the stairs, no presence at end of circuits, and charged £70 for what he called a full EICR. He had fabricated all Zs results and even circuit descriptions, then quoted for a full rewire. The rewire price was a worryingly low amount and the customer won't be having his company again after being given a lot more reliable info.
He had recorded no main earth and left the property. There was a fairly new DNO head with a viable sheath connection ( Ze o.27 Ohms)and DNO supplied MET about a foot under the CU. I connected it up and recorded good Zs results at sockets in all rooms.
The last guy failed to spot the presence of several rubber TRS cables with no CPC still in use. The customer, having a good bit of self gained knowledge, had even asked about rubber cables but the fella said there were none.
The customer had already arranged for a full EICR asap at a proper rate with a local firm who have a 25 year history and good local reputation.
Had it been less work I could have got more involved, but I'm just catching up after having some time off with our new baby and the customer would have had to wait a few weeks, not great when things need addressing sooner than later.
I'm happy to have been able to at least re-instate the earthing conductor and give the customer some advice.